20212104242413 has 32 divisors (see below), whose sum is σ = 21881271859200. Its totient is φ = 18611397604800.

The previous prime is 20212104242399. The next prime is 20212104242431. The reversal of 20212104242413 is 31424240121202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212104242413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212104242513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72718443 + ... + 72995863.

It is an arithmetic number, because the mean of its divisors is an integer number (683789745600).

Almost surely, 2^{20212104242413} is an apocalyptic number.

It is an amenable number.

20212104242413 is a deficient number, since it is larger than the sum of its proper divisors (1669167616787).

20212104242413 is a wasteful number, since it uses less digits than its factorization.

20212104242413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278233.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20212104242413 its reverse (31424240121202), we get a palindrome (51636344363615).

The spelling of 20212104242413 in words is "twenty trillion, two hundred twelve billion, one hundred four million, two hundred forty-two thousand, four hundred thirteen".